Prof. Péter Somogyi's talk on his scientific work that led to the Brain Prize award. Grete Lundbeck European Brain Research Foundation hosted the annual Brain Prize Meeting at Hindsgavl Castle in Denmark from October 6-8th, 2011. The meeting was planned in collaboration with the Danish Neuroscience Schools and Danish Society for Neuroscience and it allowed for interaction between the three Hungarian prize winners and Danish brain researchers.